Kuntal Daftary wrote:
> Hello
>
> I am trying to build a webpage using exhibit, specifically the
> timeline view.
>
> After going through the mailing list archives, I found out that
> "showEventText" supported in native Timeline is not supported under
> Exhibit timeline view. I also found a proposed alternate to use the
> overview:true instead, which worked great.
>
> Now my question is, how can I change the size of the overview tracks.
> With showEventText, trackHeight and trackGap did that. However, with
> overview:true, those dont seem to work. Is there an alternate way to
> do this with Exhibit timelines ?
It sounds like you have read through this page
http://simile.mit.edu/wiki/Controlling_A_Timeline_Within_An_Exhibit
The code for rendering the overview band is here
http://static.simile.mit.edu/timeline/api-2.0/scripts/overview-painter.js
If you search for the function
Timeline.OverviewEventPainter.prototype.paint
you can see how the various settings for the tracks are retrieved from
the theme object, i.e.,
var metrics = {
trackOffset: eventTheme.overviewTrack.offset,
trackHeight: eventTheme.overviewTrack.height,
trackGap: eventTheme.overviewTrack.gap,
trackIncrement: eventTheme.overviewTrack.height +
eventTheme.overviewTrack.gap
}
This means that in the timeline constructor function (from the wiki page
above), you can set these settings, e.g.,
theme.event.overviewTrack.height = 10; // in pixels
To see the default settings, see
http://static.simile.mit.edu/timeline/api-2.0/scripts/themes.js
Hope that helps.
David
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